page_title: Ferocactus
hierarchical_section_title: Ferocactus
caption_attribution_description: Ferocactus cylindraceus on Blue Diamond Hill, Red Rock Canyon, southern Nevada
context_page_description: Ferocactus is a genus of large barrel-shaped cacti, mostly with large spines and small flowers. There are about 30 species included in the genus. They are found in the southwestern United States and northwestern Mexico.
context_section_description: Ferocactus is a genus of large barrel-shaped cacti, mostly with large spines and small flowers. There are about 30 species included in the genus. They are found in the southwestern United States and northwestern Mexico.
caption: Ferocactus cylindraceus, Red Rock Canyon National Conservation Area, Nevada, USA
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